Learning items

Explore shared ideas across books.

Statistics

Extrapolation applies a model beyond the range of observations used to support it.

A counterfactual baseline describes the alternative outcome used to assess a change.

A nonlinear relationship does not follow a single straight-line rule across its domain.

A comparison needs a defined activity, population, and denominator.

A proportion of a fixed defined population lies between zero and one.

All items includes definitions still awaiting topic classification.